package jdbc;

import java.sql.*;

public class JDBCDemo3 {
    public static void main(String[] args) {
        //Class.forName("com.mysql.cj.jdbc.Driver");
        try {
            Connection connection = DBUtil.getConnection();
            Statement statement = connection.createStatement();
            String sql = "update userinfo " +
                    "set password='8888888' " +
                    "where username = '王克晶' ";
            System.out.println(sql);
            int num = statement.executeUpdate(sql);
            if(num>0){
                System.out.println("修改成功");
            }else{
                System.out.println("修改失败");
            }
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }

    }

}
